The flux o in a 18 KW, 120 V, Duplex Lap-Wound DC machine has been set to induce rated voltage at a speed of 1500 RPM. Find the product Ko, and find the induced torque in this machine at no load. Select one: a. Product = 0.764, and Induced Torque = 114.6 N.m O b. None Oc. Product = 0.764, and Induced Torque = 0 N.m O d. Not enough information is given to find the torque WEXT

The flux o in a 18 KW, 120 V, Duplex Lap-Wound DC machine has been set to induce rated voltage at a speed of 1500 RPM. Find the product Ko, and find the induced torque in this machine at no load. Select one: a. Product = 0.764, and Induced Torque = 114.6 N.m O b. None Oc. Product = 0.764, and Induced Torque = 0 N.m O d. Not enough information is given to find the torque WEXT

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Similar questions

Electrical Machines 1.4
5. In relation to a compound d.c machine, choose the right statement from the following. (A) The resistance of the shunt field coil will be many times higher than the series field coil. (B) The resistance of the shunt field coil and the series field coil are of the same order. (C) The resistance of the series field coil will be many times higher than the shunt field coil. (D) Either of (A), (B) and (C) is true statement.
Help me solve this one
Q3) In a two-excitation and two-pole machine, the rotor and stator of both poles are prominent relations The inductor of the rotor and stator is as follows: Lss =(0.5 + 0.2cos20) H Lrr =(0.8 + 0.3cos20) H Lsr =0.7coseH The resistance of the windings is zero. If the rotor is in the position 0 =60 ° and flows from the stator A sinusoid with an effective value of 10A passes and the rotor winding is short, medium torque Calculate the impact on the rotor
dc machines
2. A 15 kW shunt machine having an Armature circuit Resistance of 0.35 Q and a filed resistance of 1002, generates a terminal voltage of 240 V at full load. Find the Efficiency When I. act as a Generator at full load . II. act as a Generator at half load III. act as a Motor
A 220 V dc machine has an armature resistance of 1ohm if the full load current is 20 A, the difference of induced voltage, when the machine is running as a motor and generator, is *
A 220 V permanent magnets DC motor has an armature resistance of 0.5 0. If the full load armature current is 20 A, find the induced e.m.f.. Select one Ⓒa. 210 V b. 230 V c. Not on the list d. 240 V O e. 220 V
i need the answer quickly
I am in a hurry, I need the answer as soon as possible, please help.
At loaded condition, the effect of armature reaction is more in DC machines. Select one: O True False
Q3) The armature of a 4-pole DC machine has 240 coils wound in lap formation. Each coil generates a voltage of 4 V and carries a current of 5 A. a) Calculate the total generated voltage in the armature,Eg. b) Find the current in each parallel path and total armature current. c) If the armature is rewound in wave formation, find the generated voltage, Eg, current per path and total armature current. Assume number of coils are fixed at 240.